31023312322120 has 16 divisors (see below), whose sum is σ = 69802452724860. Its totient is φ = 12409324928832.

The previous prime is 31023312322111. The next prime is 31023312322141. The reversal of 31023312322120 is 2122321332013.

31023312322120 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 30422262547044 + 601049775076 = 5515638^2 + 775274^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387791403987 + ... + 387791404066.

Almost surely, 2^{31023312322120} is an apocalyptic number.

It is an amenable number.

31023312322120 is an abundant number, since it is smaller than the sum of its proper divisors (38779140402740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31023312322120 is a wasteful number, since it uses less digits than its factorization.

31023312322120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775582808064 (or 775582808060 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 31023312322120 its reverse (2122321332013), we get a palindrome (33145633654133).

The spelling of 31023312322120 in words is "thirty-one trillion, twenty-three billion, three hundred twelve million, three hundred twenty-two thousand, one hundred twenty".